Finding the Fourth Proportional to 461,616.69, 637,137.33 and 270,691.59
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Solution
The fourth proportional to 461,616.69, 637,137.33 and 270,691.59 is: 373,616.73
Step by Step Solution
- Step 1: Write the proportion equation
461,616.69 : 637,137.33 = 270,691.59 : x - Step 2: Convert to fraction form
461,616.69/637,137.33 = 270,691.59/x - Step 3: Cross multiply
461,616.69x = 637,137.33 × 270,691.59 - Step 4: Simplify right side
461,616.69x = 172,467,718,280.23 - Step 5: Solve for x
x = 172,467,718,280.23/461,616.69 - Step 6: Final answer
x = 373,616.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.